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| with respect to engineering properties of soils, refers to soils that upon wetting and drying, will alternately expand and contract, causing problems for foundations of buildings and other structures. |
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| Refers to soils that develop on bedrock |
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| Pollution of some part of the environment either on land or in a body of water by sediment that has been transported into that environment by wind or water; an example is turbidity of a water supply (muddy water) |
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| Measure of a soil's tendency to increase and decrease in volume as water content changes. |
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| Soil Science: Earth material so modified by biological, chemical, and physical processes that the material will support rooted plants. Engineering: Earth material that can be removed without blasting. |
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| Capacity of a soil to supply nutrients (such as nitrogen, phosphorus, and potassium) needed for plant growth when other factors are favorable. |
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| Layers in soil(A,B,C, etc.) that differ from one another in chemical, physical, and biological properties. |
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| Weathering of earth materials that, along with biological activity and time produces a soil that contains several horizons distinct from the parent material from which the soil formed. |
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| A survey consisting of a detailed soil map and descriptions of soils and land-use limitations; usually prepared in cooperation with local government |
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| Does not refer to any transport process of a soil but rather reflects that the parent material of a soil is material that has been transported to a particular location, such as alluvium to a flood plain or glacial deposit. |
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